參數(shù)資料
型號(hào)： UPD78014H
廠商： NEC Corp.
元件分類： 8位微控制器
英文描述： 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述： 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù)： 11/66頁
文件大小： 565K
代理商： UPD78014H
μ
PD78F0034A, 78F0034AY
11
Data Sheet U14040EJ4V0DS
3. PIN FUNCTIONS
3.1 Port Pins (1/2)
Pin Name
I/O
Function
After Reset
Alternate
Function
P00
I/O
Port 0
4-bit I/O port.
Input/output can be specified in 1-bit units.
An on-chip pull-up resistor can be specified by software.
Input
INTP0
P01
INTP1
P02
INTP2
P03
INTP3/ADTRG
P10 to P17
Input
Port 1
8-bit input-only port.
Input
ANI0 to ANI7
P20
I/O
Port 2
6-bit I/O port.
Input/output can be specified in 1-bit units.
An on-chip pull-up resistor can be specified by software.
Input
SI30
P21
SO30
P22
SCK30
P23
RxD0
P24
TxD0
P25
ASCK0
P30
I/O
Port 3
7-bit I/O port.
Input/output can be specified
in 1-bit units.
N-ch open-drain I/O port.
LEDs can be driven directly.
Input
–
P31
P32
SDA0
Note 1
P33
SCL0
Note 1
P34
An on-chip pull-up resistor can be
specified by software.
SI31
Note 2
P35
SO31
Note 2
P36
SCK31
Note 2
P40 to P47
I/O
Port 4
8-bit I/O port.
Input/output can be specified in 1-bit units.
An on-chip pull-up resistor can be specified by software.
Interrupt request flag KRIF is set to 1 by falling edge detection.
Input
AD0 to AD7
P50 to P57
I/O
Port 5
8-bit I/O port.
LEDs can be driven directly.
Input/output can be specified in 1-bit units.
An on-chip pull-up resistor can be specified by software.
Input
A8 to A15
P64
I/O
Port 6
4-bit I/O port.
Input/output can be specified in 1-bit units.
An on-chip pull-up resistor can be specified by software.
Input
RD
P65
WR
P66
WAIT
P67
ASTB
Notes 1.
SDA0 and SCL0 are incorporated only in the
μ
PD78F0034AY Subseries.
SI31, SO31, and SCK31 are incorporated only in the
μ
PD78F0034A Subseries.
2.
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